Home / 6,690.21-9,232.20-3,705.95

Finding the Fourth Proportional to 6,690.21, 9,232.20 and 3,705.95

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Solution

The fourth proportional to 6,690.21, 9,232.20 and 3,705.95 is: 5,114.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,690.21 : 9,232.20 = 3,705.95 : x
  2. Step 2: Convert to fraction form
    6,690.21/9,232.20 = 3,705.95/x
  3. Step 3: Cross multiply
    6,690.21x = 9,232.20 × 3,705.95
  4. Step 4: Simplify right side
    6,690.21x = 34,214,025.43
  5. Step 5: Solve for x
    x = 34,214,025.43/6,690.21
  6. Step 6: Final answer
    x = 5,114.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.